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12101223201 = 315132298273
BaseRepresentation
bin10110100010100101…
…00000001100100001
31011020100120211110220
423101102200030201
5144240403120301
65320443113253
7605610462054
oct132122401441
934210524426
1012101223201
11514a909111
122418812829
1311ab116002
1482b24aa9b
154ac5b7936
hex2d14a0321

12101223201 has 16 divisors (see below), whose sum is σ = 16248812160. Its totient is φ = 8010604800.

The previous prime is 12101223193. The next prime is 12101223217. The reversal of 12101223201 is 10232210121.

It is not a de Polignac number, because 12101223201 - 23 = 12101223193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12101223601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1458601 + ... + 1466873.

It is an arithmetic number, because the mean of its divisors is an integer number (1015550760).

Almost surely, 212101223201 is an apocalyptic number.

It is an amenable number.

12101223201 is a deficient number, since it is larger than the sum of its proper divisors (4147588959).

12101223201 is a wasteful number, since it uses less digits than its factorization.

12101223201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12101223201 its reverse (10232210121), we get a palindrome (22333433322).

The spelling of 12101223201 in words is "twelve billion, one hundred one million, two hundred twenty-three thousand, two hundred one".

Divisors: 1 3 151 453 3229 8273 9687 24819 487579 1249223 1462737 3747669 26713517 80140551 4033741067 12101223201